EP 0281122 B1 19910515 - PROCESS FOR PREPARING VINYLPHOSPHONIC-ACID DIALKYL ESTERS
Title (en)
PROCESS FOR PREPARING VINYLPHOSPHONIC-ACID DIALKYL ESTERS
Publication
Application
Priority
DE 3707149 A 19870306
Abstract (en)
[origin: EP0281122A2] Process for preparing vinylphosphonic acid dialkyl esters from 2-acetoxyethanephosphonic acid dialkyl esters using catalysts and at a temperature from 150 to 270 DEG C, characterised in that 2-acetoxyethanephosphonic acid dialkyl esters are cleaved at a partial pressure of the sum of the components of the reaction system of 1 to 50 mbar in contact with a liquid, catalytic medium and the resulting vinylphosphonic acid dialkyl esters and other volatile reaction products are removed in the form of vapour.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); C07F 9/40 (2006.01)
CPC (source: EP KR US)
C07F 9/40 (2013.01 - KR); C07F 9/4015 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB IT LI NL
DOCDB simple family (publication)
EP 0281122 A2 19880907; EP 0281122 A3 19900117; EP 0281122 B1 19910515; CA 1297494 C 19920317; DE 3707149 A1 19880915; DE 3862774 D1 19910620; JP 2650947 B2 19970910; JP S63230698 A 19880927; KR 880011180 A 19881027; KR 950004961 B1 19950516; US 4894470 A 19900116
DOCDB simple family (application)
EP 88103226 A 19880303; CA 560543 A 19880304; DE 3707149 A 19870306; DE 3862774 T 19880303; JP 4992088 A 19880304; KR 880002246 A 19880304; US 16379788 A 19880303